'000b c' presentation slideshows

Unit One: Pre-Columbian America

Unit One: Pre-Columbian America . The American Natives: 30,000B.C. to 1400 A.D. . Geography of North America . The continent of North America has a diverse geography. The two main mountain chains are the Appalachian mountains (East) and the Rocky mountains (West)

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Acrylic vs. Glass

Acrylic vs. Glass. Danielle McBroom Matt Ziff Self-Selected Presentation. Acrylic Glass. Most commonly know as Plexiglas. Developed in 1928 and appeared on the market in 1933 by Rohm and Haas Company. It is a transparent plastic and thermoplastic.

333 views • 8 slides

Ancient Indians

Ancient Indians. Ross . Paleo Indians(Ice Age). Earliest known culture Tools made of stone Invented the Atlatl Traveled often. Early Archaic Indians(8,000 B.C.-5,000B.C.). Hunted very large animals until the ice age ended Their weapons go smaller because of the size of the pray

225 views • 7 slides